TOSSIM: accurate and scalable simulation of entire TinyOS applications
- P. Levis, Nelson Lee, M. Welsh, D. Culler
- Computer ScienceACM International Conference on Embedded…
- 5 November 2003
TOSSIM, a simulator for TinyOS wireless sensor networks can capture network behavior at a high fidelity while scaling to thousands of nodes, by using a probabilistic bit error model for the network.
TinyOS: An Operating System for Sensor Networks
A qualitative and quantitative evaluation of the TinyOS system is provided, showing that it supports complex, concurrent programs with very low memory requirements and efficient, low-power operation.
SEDA: an architecture for well-conditioned, scalable internet services
- M. Welsh, D. Culler, E. Brewer
- Computer ScienceSymposium on Operating Systems Principles
- 21 October 2001
This work presents the SEDA design and an implementation of an Internet services platform based on this architecture, and describes several control mechanisms for automatic tuning and load conditioning, including thread pool sizing, event batching, and adaptive load shedding.
The nesC language: A holistic approach to networked embedded systems
- David E. Gay, P. Levis, J. Behren, M. Welsh, E. Brewer, D. Culler
- Computer ScienceACM-SIGPLAN Symposium on Programming Language…
- 2003
nesC has been used to implement TinyOS, a small operating system for sensor networks, as well as several significant sensor applications, and its experience and evaluation shows that it is effective at supporting the complex, concurrent programming style demanded by this new class of deeply networked systems.
Simulating the power consumption of large-scale sensor network applications
- V. Shnayder, Mark Hempstead, Bor-rong Chen, Geoffrey Werner-Allen, M. Welsh
- Computer ScienceACM International Conference on Embedded…
- 3 November 2004
A scalable simulation environment for wireless sensor networks that provides an accurate, per-node estimate of power consumption and employs a novel code-transformation technique to estimate the number of CPU cycles executed by each node, eliminating the need for expensive instruction-level simulation of sensor nodes.
A public-key infrastructure for key distribution in TinyOS based on elliptic curve cryptography
- D. Malan, M. Welsh, Michael D. Smith
- Computer Science, MathematicsFirst Annual IEEE Communications Society…
- 4 October 2004
It is demonstrated that public keys can be generated within 34 seconds, and that shared secrets can be distributed among nodes in a sensor network within the same, using just over 1 kilobyte of SRAM and 34 kilobytes of ROM.
MoteLab: a wireless sensor network testbed
- Geoffrey Werner-Allen, Patrick Swieskowski, M. Welsh
- Computer ScienceInternational Symposium on Information Processing…
- 24 April 2005
MoteLab accelerates application deployment by streamlining access to a large, fixed network of real sensor network devices; it accelerates debugging and development by automating data logging, allowing the performance of sensor network software to be evaluated offline.
Deploying a wireless sensor network on an active volcano
- Geoffrey Werner-Allen, K. Lorincz, J. Lees
- Computer ScienceIEEE Internet Computing
- 1 March 2006
The authors' sensor-network application for volcanic data collection relies on triggered event detection and reliable data retrieval to meet bandwidth and data-quality demands.
CodeBlue: An Ad Hoc Sensor Network Infrastructure for Emergency Medical Care
- D. Malan, T. Fulford-Jones, M. Welsh, S. Moulton
- Computer Science
- 2004
The architecture of CodeBlue, a wireless infrastructure intended for deployment in emergency medical care, integrating low-power, wireless vital sign sensors, PDAs, and PC-class systems, is introduced and research challenges being addressed are highlighted.
Sensor networks for medical care
- V. Shnayder, Bor-rong Chen, K. Lorincz, T. Jones, M. Welsh
- Computer ScienceACM International Conference on Embedded…
- 2 November 2005
The experiences with developing a combined hardware and software platform for medical sensor networks, called CodeBlue, which provides protocols for device discovery and publish/subscribe multihop routing, as well as a simple query interface that is tailored for medical monitoring are described.
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